[Code of Federal Regulations] [Title 46, Volume 1] [Revised as of Octobery 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR34.15-40] [Page 453] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY PART 34_FIREFIGHTING EQUIPMENT--Table of Contents Subpart 34.15_Carbon Dioxide Extinguishing Systems, Details Sec. 34.15-40 Pressure relief--T/ALL. (a) Where necessary, relatively tight compartments such as refrigeration spaces, paint lockers, etc., shall be provided with suitable means for relieving excessive pressure accumulating within the compartment when the carbon dioxide is injected.